Just to drift a bit further .... many, many years ago I got to visit the drivers on a big Hoverlloyd SRN-4 mid channel and they were sat at very aircraft like controls.
When I asked what aeronautical training and qualification they had to drive the contraption I was told very firmly "None .. Because this is a Ship !!!!"
It transpired that the gentleman in the LH seat was THE Captain, but the guy in the RH seat was also A Captain as they both had master mariners certificates and pilots qualifications for various bits of the English Channel.
The guy with the real responsibility was the man with his head down a tube over the radar set shouting a constant string of directional instructions to the drivers to stop them banging into the many ships that kept appearing out of the mile or so visibility while we charged round at about 50 kts.